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All Journal International Journal Multidisciplinary Science Jurnal Penelitian Multidisiplin Bangsa
Sinay, Pelpinus
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Humanities Computer Science & IT Economics, Econometrics & Finance Education Public Health Social Sciences

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Kajian Investasi Pemakaian Lampu Led Dibandingkan Dengan Lampu Flourescent Menggunakan Solar Cell Sinay, Pelpinus
Jurnal Penelitian Multidisiplin Bangsa Vol. 1 No. 9 (2025): Februari
Publisher : Amirul Bangun Bangsa Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59837/jpnmb.v1i9.326

Abstract

Teknologi penerangan jalan umum dengan sumber solar cell menjadi sebuah alternatif  khususnya untuk daerah–daerah yang jauh dari jalur PLN atau dengan sumber genset yang  masih membutuhkan biaya untuk bahan bakarnya. Penerapan PJU solar cell memiliki banyak keuntungan, karena energi matahari  dapat diperoleh dalam jumlah yang cukup besar, tidak menimbulkan polusi, dan tidak memerlukan biaya untuk mendapatkannya. Oleh karena itu dilakukan penelitian untuk membandingkan nilai ekonomis dari biaya investasi dan operasional pemakaian solar cell dan mengetahui efisiensi penggunaan energi lampu LED dibandingkan dengan lampu flurorescent. Setelah dilakukan kajian, maka untuk perhitungan biaya investasi dan operasional pemakaian PJU lampu Led dengan sumber Solar Cell lebih ekonomis, sehingga dapat dijadikan sebagai acuan untuk perencanaan pemasangan lampu penerangan jalan dan menjadi solusi yang tepat dalam mengatasi kebutuhan penerangan jalan umum.
Performance Study of Unbalanced Load on Delta Transformer Sinay, Pelpinus
International Journal Multidisciplinary Science Vol. 5 No. 1 (2026): February: International Journal Multidisciplinary Science
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/ijml.v5i1.2592

Abstract

A transformer is a device that can transfer (channel) and convert electrical energy from one circuit to another at the same frequency based on the principle of electromagnetic induction. The transformer to be used in this study is a three-phase delta connection transformer, which can be used to transmit three-phase electrical power to the load, which is connected to the delta-connected load. The performance of the unbalanced load on the open delta transformer, when loaded with an unbalanced load that is not the same size in each phase, causes an increase in current in each phase, so that there is an increase in input power absorbed by the unbalanced load resulting in greater power losses (loses) with reduced efficiency. The purpose of the study is to study the performance of unbalanced loads in delta transformers and The research method is an experimental method in the laboratory, which includes testing on three-phase transformers of delta connection in an unbalanced load state. The measurement results showed that there was a difference in the performance (yield of the discharge) effect of the unbalanced load between the average current with the loss and with the efficiency of the delta transformer.
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